However, as a novelty of this investigation, the data indicate that the most prevalent group of substances were ones that had little scientific evidence (Fig. 1). This effect was produced by the high number of supplements available in the market that contain minimal evidence of its effectiveness. Taking the best care of that little one is the goal. In the sample of athletes that took at least one supplement, four out of five athletes did not know platforms to check the safety/quality of supplements. This outcome is likely the result of current supplementation practices that imply a poor knowledge about the effect and efficacy of supplements along with reliance on sources with low credibility, at least in this sample of high-performance athletes.